While you may not have heard of Eagletec, we aren't exactly the new guys on the block. We have been quietly building great products for other brands since 1996. You probably have something we built on your desk right now. In an effort to control the experience from the manufacturing facility all the way to you, the customer, we are bringing Eagletec directly to the enduser. This new channel will allow us to leverage our existing network and manufacturing know-how to bring exciting new high quality products to market. Our goal with Eagletec is pretty simple - we want to make great products that our users love! - In other words, we want our customers to be 100% satisfied with us and our gadgets. While this type of commentary has become quite cliche these days... we actually stand behind these words¡K give us a try and see for yourself what we mean. 2.4GHz Wireless mouse,Total of 5 buttons, contains 2 buttons for different functions that you can decide. Switchable DPI 1000/ 1500/ 2000. It is high precision, reponsiveness and high stability, it comes with a nano USB receiver, and it also have low battery indicator, ergonomic design helps you work longer without discomfort. System Requirements PC with USB port Windows 8, Windows 7, Windows 10, Windows Vista and Windows XP